/*
* INSANE - Interactive Structural Analysis Environment
*
* Copyright (C) 2003-2005
* Universidade Federal de Minas Gerais
* Escola de Engenharia
* Departamento de Engenharia de Estruturas
* 
* Author's email :    insane@dees.ufmg.br
* Author's website :  http://www.dees.ufmg.br/insane
* 
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
package br.ufmg.dees.insane.ui.rich.prep.view.command;

import javax.swing.JFrame;

import br.ufmg.dees.insane.commons.command.Command;
import br.ufmg.dees.insane.ui.rich.prep.view.DesktopPrep;
import br.ufmg.dees.insane.ui.rich.prep.view.InterfacePrep;
import br.ufmg.dees.insane.ui.rich.prep.view.dialog.NodeDialog;

/** Command which prepares the Interface to receive data to add points.
 *
 * @author Fonseca, Flavio & Pitangueira, Roque
 * @since January 2004
 */
public class PointCommand implements Command {
	
    private InterfacePrep intFrame;
    private DesktopPrep desktop;
	
// *****************************************************************************
	
    /** This constructor default. */
    public PointCommand() {}
    
    
    /** This constructor receives a desktop and the current internal frame. */
    public PointCommand(JFrame dtk, InterfacePrep intF)
    {
        this.desktop = (DesktopPrep)dtk;
        this.intFrame = intF;
    }    
	    
//  ***************************************************************************
	
	/** The execute method.<br>
	* Prepares the Interface to receive data to add points.
	*/
    public void execute()
    {
    	if (!intFrame.getView().getViewState().isSnapOn())
    	{
        	intFrame.getView().getViewState().setSnap(true);
        	intFrame.getView().getDrawingArea().setSnap(true);
        	intFrame.getDesktopFrame().setStateButtons();
        	desktop.getDesktopTextArea().addText("The Snap was ativate again.");
    	}
    	
    	desktop.getDesktopTextArea().addText("Insert one point at...");
    	
    	if (intFrame.isKeyboardOn())
    	{
			new NodeDialog(intFrame);
    	}
    	else
    	{
    		intFrame.getView().getDrawingArea().setClickedCommand(new AddPointMouseCommand(intFrame));
    	}
    	
    	intFrame.getView().getDrawingArea().setRightClickedCommand(new CancelCommand(intFrame));
    	intFrame.getView().getDrawingArea().setCursor();
    	intFrame.getView().getDrawingArea().setShape(null);
    	intFrame.getView().getDrawingArea().setMovedCommand(new DoesNothingCommand(intFrame));
    }
	
//  ****************************************************************************
	
	/** Impossible to undo - not implemented. */
    public void undo() {
    }
	
//  ****************************************************************************
	
	/** Impossible to redo - not implemented. */
    public void redo() {
    }
    
//  *****************************************************************************
    
	public void setParent(InterfacePrep currentintFrame, DesktopPrep dsk)
	{
		this.intFrame = currentintFrame;
		this.desktop = (DesktopPrep)dsk;
	} 
	
//  ****************************************************************************    
    
    
}  // end of this class
